Delaware, Ohio · field elev 945 ft
Density Altitude at Delaware Municipal/Jim Moore Field (KDLZ)
Delaware Municipal/Jim Moore Field sits at 945 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,826 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 27.8 | −933 ft | 35.0 | −430 ft |
| February | 30.9 | −715 ft | 38.9 | −161 ft |
| March | 40.2 | −72 ft | 49.6 | 563 ft |
| April | 52.0 | 723 ft | 63.0 | 1,444 ft |
| May | 62.7 | 1,425 ft | 73.6 | 2,122 ft |
| June | 71.2 | 1,970 ft | 81.7 | 2,628 ft |
| July | 74.7 | 2,191 ft | 84.9 | 2,826 ft |
| August | 73.0 | 2,084 ft | 83.5 | 2,740 ft |
| September | 66.1 | 1,644 ft | 77.5 | 2,367 ft |
| October | 54.4 | 882 ft | 65.0 | 1,574 ft |
| November | 42.3 | 71 ft | 50.9 | 650 ft |
| December | 32.9 | −576 ft | 39.6 | −113 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KDLZ
DENSITY ALTITUDE
Field elevation 945 ft — the air behaves like 2,832 ft.
- PRESSURE ALT
- 946 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Ohio fields
- 5E9 — Packer
Radnor · elev 918 ft
- KMRT — Union County
Marysville · elev 1,021 ft
- KOSU — Ohio State University
Columbus · elev 906 ft
- 6CM — Chapman Meml Field
Centerburg · elev 1,180 ft
- 4I9 — Morrow County
Mount Gilead · elev 1,086 ft
- KCMH — John Glenn Columbus International
Columbus · elev 815 ft
- KMNN — Marion Municipal
Marion · elev 993 ft
- KTZR — Bolton Field
Columbus · elev 904 ft
Frequently asked questions
How high does density altitude get at KDLZ in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Delaware Municipal/Jim Moore Field reaches roughly 2,826 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KDLZ on an average day?
It swings with the seasons: from roughly −933 ft at the coldest month's average temperature to about 2,191 ft at the warmest month's — all from a constant field elevation of 945 ft. The month-by-month table above carries the full year.
What is the field elevation of Delaware Municipal/Jim Moore Field?
945 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDLZ (ICAO) / DLZ (FAA), in Delaware, Ohio.